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Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    14/05/2024, 04:01

General

  • Target

    2024-05-14_8538bfe0218f2ce281e469b857ae0cbc_cryptolocker.exe

  • Size

    48KB

  • MD5

    8538bfe0218f2ce281e469b857ae0cbc

  • SHA1

    19e957f1d6811c86d1b032c353713f2f30c1a9c1

  • SHA256

    46c0a369640e5c21bee6ab24c80cc68016bb8884e5a6686f09a10ec22c38b0f4

  • SHA512

    b3dc314929b099105345da0490711874141e75e78f8662ebd4ce8f0b9ca9b691be58aa33e497bcbd402526866202df55ab48e6e4dd61a44b634872ced3c6183c

  • SSDEEP

    768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/Dpkco:P6Q0ElP6G+gJQMOtEvwDpjB8WMlfo

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 6 IoCs
  • Detection of Cryptolocker Samples 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-14_8538bfe0218f2ce281e469b857ae0cbc_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-14_8538bfe0218f2ce281e469b857ae0cbc_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\asih.exe

    Filesize

    48KB

    MD5

    ed31ca20085bf6684d894963db44c28c

    SHA1

    afe3b1e8a172305a3b2d07bfabb0e3122b5abc76

    SHA256

    c2e0d5b5410ac1117674c5f9394148e294cf34f5500bf15397fb60ed228018e7

    SHA512

    febefe886d266c60990654389da9bd596604d8a2a90ef1b3eea19b5100d6962d37c134de1aad38e5f3bfd70f451050ff6bc4f8212a1b6179bac3f3d3da92caf5

  • memory/1732-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/1732-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1732-3-0x00000000004B0000-0x00000000004B6000-memory.dmp

    Filesize

    24KB

  • memory/1732-2-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1732-13-0x0000000002BC0000-0x0000000002BCB000-memory.dmp

    Filesize

    44KB

  • memory/1732-16-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2316-17-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2316-19-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2316-26-0x0000000000330000-0x0000000000336000-memory.dmp

    Filesize

    24KB

  • memory/2316-27-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB